Fossil fuels are on the way out - in time. What will replace petrol and diesel for the tractors and machinery used by farmers to produce food to feed the world's growing population?
Host Chris Biddle examines the options - and reflects on the recent Annual Conference of the Institution of Agricultural Engineers (IAgrE) with its theme of Future Fuels in Agriculture which co-incided with the COP26 Climate Change conference in Glasgow
(03:50) Hear how school children are starting to Do, Do, Do as an antidote to protesters chanting of blah, blah, blah
(05:40) How the President of the United States became the warm-up act for the the last IAgrE Conference
(09:04)) Eureka moment for Chris Mann on exploding grass clippings and turning 'bad' methane into a cost saving fuel
(14:23) Will hydrogen be the 'silver bullet'? Royal Academy of Engineering Ask the Engineer forum
Royal Academy of Engineering Forum: Ask the Engineer Is hydrogen the silver bullet?